22685017481 has 16 divisors (see below), whose sum is σ = 27590150016. Its totient is φ = 18207603456.

The previous prime is 22685017477. The next prime is 22685017499. The reversal of 22685017481 is 18471058622.

It is not a de Polignac number, because 22685017481 - 2² = 22685017477 is a prime.

It is a super-2 number, since 2×22685017481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22685017181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460391 + ... + 507276.

It is an arithmetic number, because the mean of its divisors is an integer number (1724384376).

Almost surely, 2^22685017481 is an apocalyptic number.

It is an amenable number.

22685017481 is a deficient number, since it is larger than the sum of its proper divisors (4905132535).

22685017481 is a wasteful number, since it uses less digits than its factorization.

22685017481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967888.

The product of its (nonzero) digits is 215040, while the sum is 44.

The spelling of 22685017481 in words is "twenty-two billion, six hundred eighty-five million, seventeen thousand, four hundred eighty-one".